Many aircraft designers and kit manufacturers within the sport aviation industry use wood as a primary structure.
许多飞机设计师及配套厂家在运动航空业的主要结构用木材作为。
Sport market was not only the place of sport consumption but also the contact expressive form of real scale, structure, quality and benefit of sport industry.
体育市场是体育消费的场所,又是体育产业现实的规模、结构、质量和效益的具体表现形式。
Sport market was not only the place of sport consumption but also the contact expressive form of real scale, structure, quality and benefit of sport industry.
体育市场是体育消费的场所,又是体育产业现实的规模、结构、质量和效益的具体表现形式。
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